Poor take-up of long term mortgages – Stuff.co.nz
I found this piece of information. “In the US home loan mortgage broking house Freddie Mac had 76 percent of its securities on 30-year terms, with a further 18 percent are on 15 year fixed rate terms.”

02/17/2010 – GSE Losses As Shadow Bailout – Rortybomb.wordpress
“Lawmakers, particularly Democrats, leaned on Fannie and Freddie to buy and hold those troubled debts, hoping that removing them from the system would help the economy recover.”
“He (Hank Paulson) wanted to use the troubled companies to unlock the frozen credit market by allowing Fannie and Freddie to buy more mortgage-backed securities from overburdened banks.”
More proof the GSEs were used to bail out the TBTF banks. This article also references some good articles within it.

Another bailout for Fannie and Freddie – CDA Press
“For the government to jeopardize their (the GSEs) operations by siphoning off their profits seems a bit like sabotage to housing”. Written by Kim Cooper, real estate broker and spokesman for the Coeur d’Alene Association of Realtors.